Home / 16,864.31-23,272.78-9,310.65

Finding the Fourth Proportional to 16,864.31, 23,272.78 and 9,310.65

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Solution

The fourth proportional to 16,864.31, 23,272.78 and 9,310.65 is: 12,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.31 : 23,272.78 = 9,310.65 : x
  2. Step 2: Convert to fraction form
    16,864.31/23,272.78 = 9,310.65/x
  3. Step 3: Cross multiply
    16,864.31x = 23,272.78 × 9,310.65
  4. Step 4: Simplify right side
    16,864.31x = 216,684,709.11
  5. Step 5: Solve for x
    x = 216,684,709.11/16,864.31
  6. Step 6: Final answer
    x = 12,848.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.